Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip - Unwrapped (Case of 144 Blocks)

Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip - Unwrapped (Case of 144 Blocks)Grodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with Grodans Advanced Wetting Agent. These leading edge blocks have the optimal fiber structure and physical properties for crop uniformity, more

An easy-open lock and included blade cover protect the blades during storage

Breathable mesh for quick drying of flowers & herbs

and set automation

Four Seedling Trays -  providing both auto watering capability and aeration in one great tray

Macore blanks have a long reputation for dependable performance

Athena Cleanse is made from the ideal (and safe) root zone optimizing agents--Hypochlorous acid

It is supplied in a black mister bottle ready to use

only to the temperature and humidity at which the reading is being taken from

This selective miticide controls specific mite pests even on recreational sites and provides both quick knockdown and long residual control thanks to its mode of action

A flash silver coating attenuates light

Herbs and Spices

Pre-assembled flush kit includes